.spinner {
  margin: 0 auto;
  width: 70px;
  text-align: center;
}

.spinner > div {
  width: 18px;
  height: 18px;
  background-color: hsl(203, 95%, 8%);

  border-radius: 100%;
  display: inline-block;
  -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.spinner .bounce1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}

.spinner .bounce2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {
  0%, 80%, 100% { -webkit-transform: scale(0) }
  40% { -webkit-transform: scale(1.0) }
}

@keyframes sk-bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  } 40% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
  }
}

form {
  position: relative;

  .alert,
  .spinner {
    display: none;
    margin-bottom: 0;
  }

  &.loading {
    .input-group {
      display: none;
    }

    .spinner {
      display: block;
    }
  }

  &.complete {
    .spinner {
      display: none;
    }

    .alert {
      display: block;
    }
  }
}
